package com.shuaige;

import com.google.common.collect.ImmutableMap;

/**
 * Hello world!
 */
public class App {
    public static void main(String[] args) {

        ImmutableMap<String, Integer> map = ImmutableMap.of(
                "1", 1,
                "2", 2,
                "3", 3
        );

        System.out.println("Hello World!");
    }
}
